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Experimental investigation of emissions characteristics of small diesel engine fuelled by blended crude palm oil

Khalid, Amir and Anuar, M. D. and Sapit, Azwan and Razali, Mohd Azahari and Manshoor, Bukhari and Mohd Ali, Mas Fawzi and Zaman @ Bujang, Izzuddin (2014) Experimental investigation of emissions characteristics of small diesel engine fuelled by blended crude palm oil. Applied Mechanics and Materials, 660. pp. 462-467. ISSN 1662-7482

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Abstract

Biodiesel is an alternative, decomposable and biological-processed fuel that has similar characteristics with mineral diesel which can be used directly into diesel engines. Crude palm oil (CPO) is one of the vegetable oil that has potential for use as a fuel in diesel engine. However, Biodiesel is also an oxygenated and more density, viscosity meaning it contains influences the emissions production during burning process. Despite years of improvement attempts, the key issue in using crude palm oil fuels is oxidation stability, high viscosity and much oxygen comparing to diesel fuel. Thus, the improvement of performance and emission exhausted from biodiesel fuels is urgently required to meet the future performance and emission regulations. Purpose of this study is to explore how significant the effect of biodiesel blends on the exhaust emission with different speed. The engine speed was varied from 1500-2500 rpm and CPO blending ratio from 5-15 vol% (B5-B15).The emission parameter have been tested in term of opacity, hydrocarbon (HC), nitrogen oxide (NOX), carbon dioxide (CO2 ) and oxygen (O2). Increased blends of biodiesel ratio is found to enhance the combustion process, resulting in decreased the HC emissions and also other exhaust emission element. The improvement of combustion process is expected to be strongly influenced by oxygenated fuel in biodiesel content.

Item Type: Article
Uncontrolled Keywords: diesel engine; waste cooking oil; biodiesel; emissions; alternative
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1-300 Electrical engineering. Electronics. Nuclear engineering
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Plant and Automotive Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 09 Apr 2015 06:27
Last Modified: 09 Apr 2015 06:27
URI: http://eprints.uthm.edu.my/id/eprint/6395
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